Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1683083Generated: November 1, 2026

p-Toluenesulfonic acid → 4-(3,4-Dichloro-phenyl)-4-(2-hydroxy-ethyl)-1-(3,4,5-trimethoxy-benzoyl)-pyrrolidin-2-one

https://huagongshe.com/reaction/1683083

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant4-(3,4-Dichloro-phenyl)-4-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-1-(3,4,5-trimethoxy-benzoyl)-pyrrolidin-2-oneHCID 53799801—
Product4-(3,4-Dichloro-phenyl)-4-(2-hydroxy-ethyl)-1-(3,4,5-trimethoxy-benzoyl)-pyrrolidin-2-oneHCID 53963744—

Reaction Steps

Prepare according to the method of example 11.5 using 4-(3,4-dichloro-phenyl)-4-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-1-(3,4,5-trimethoxy-benzoyl)-pyrrolidin-2-one (3 mmol) and p-toluenesulfonic acid (200 mg). Chromatograph on silica gel to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05635510
Source datasetuspto-grants-1997_06
ORD IDord-f4b1bc8fe79e4772b4e4d962f8736be3
Source noteuspto-grants-1997_06